The 9 most powerful finance companies in America

REUTERS/Rick Wilking Warren Buffett is the CEO of Berkshire Hathaway, the most powerful finance company in America. We recently released our list of the 50 most powerful companies in America . To determine the power of each company, we factored together 2014 revenue, number of employees, press mentions, and social media influence

REUTERS/Rick WilkingWarren Buffett is the CEO of Berkshire Hathaway, the most powerful finance company in America.